Description: One set includes two winding plugs and two stationary plugs. Centre distance of mounting holes: 87/100 mm. The winding plug has two 3/8" set screws for fixing to the shaft. Stationary plug has a 50.8 mm hole for bearing placement. Max. Torque: 224Nm. Suitable for 1 inch (25.4mm) shaft. Max torque bolts 20Nm.